Carotid stenting in high-risk patients: design and rationale of the SAPPHIRE trial.
D017130:Angioplasty; D002340:Carotid Artery Diseases / Q000601:surgery*; D000075202:Contraindications; D016894:Endarterectomy, Carotid; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D015607:Stents